class.id - dns.ninja

`class.id`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:496^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9a32^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.150^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.50^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dakota.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dakota.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dakota.ns.cloudflare.com`
		A	108.162.195.79^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	162.159.44.79^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	172.64.35.79^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
NS	`emerie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2673^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c273^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2273^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerie.ns.cloudflare.com`
		A	108.162.194.115^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	162.159.38.115^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
		A	172.64.34.115^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerie.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx.yandex.net`⁽⁵⁰⁾
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`88a04daa5b4567870ea70faa8d7c869d`
TXT	`afd4b441a5f899bfecc5d137e6701404`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
TXT	`v=spf1 include:_spf.yandex.net include:spf.mailjet.com include:mailgun.org ~all`
TXT	`yandex-verification: 5121fdd9f0be2f33`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.150, 172.67.154.50
		IPv6 hints	2606:4700:3031::6815:496, 2606:4700:3033::ac43:9a32
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=14, name=cloudflare-ech.com
SOA	`dakota.ns.cloudflare.com`dns@cloudflare.com serial=2410875134

`id`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.dns.id` ⭐
	NS	`c.dns.id`
	NS	`d.dns.id`
	NS	`e.dns.id`
	NS	`ns4.apnic.net` ⚠️ Not in parent delegation
	SOA	`b.dns.id`hostmaster@pandi.id serial=2026223599

Subdomains

ns1.class.id

cbt.class.id

test.class.id

ns2.class.id

www.class.id

Same first word

class.adobeaemcloud.com

class.com.au

class.nl

class.io

class.fr

class.tel

class.net

class.hu

class.ro

class.net.nz

class.co.jp

class.zone

class.no

class.es

class.hr

class.on.ca

class.community

class.agency

class.cn

class.rocks

class.cz

class.com.br

class.estate

class.la

class.ca

class.solutions

class.com.pe

class.lk

class.edu.vn

class.net.br

class.email

class.pe

class.bg

class.ai

class.business

class.cool

class.ai.in

class.se

class.ly

class.su

class.rs

class.de

class.co

class.am

class.it

class.works

class.systems

class.technology

class.network

class.com.py

class.info

class.do

class.tax

class.world

class.tools

class.expert

class.co.at

class.msk.ru

class.so

class.report

class.al

class.eu

class.st

class.id

class.biz

class.com.tr

class.gr

class.org

class.us

class.com

class.bet

class.ps

class.edu.pl

class.com.mx

class.dk

class.builders

class.capital

class.watch

class.srl

class.com.cn

class.lv

class.cash

class.management

class.wiki

class.ch

class.com.tw

class.guide

class.kr

class.cc

class.is

class.mba

class.tech

class.digital

class.sk

class.run

class.today

class.immo

class.me

class.im

class.cl

class.ma

Similar names

saslc.ca

cslsa.org

scasl.com

acssl.lu

slacs.org

clssa.net

clssa.co.za

salcs.com

cslsa.com

slacs.com

ascls.com

salcs.org

cssla.org

asslc.fr

clssa.com

lcass.com

slcas.org

sacsl.co

acssl.org

scals.cn

calss.com

scsla.org

clsas.com

ssacl.com

slcsa.co.za

slcas.on.ca

cassl.org

ascls.org

lsasc.org

slacs.de

clssa.info

lscas.com

scals.de

clssa.org

scsla.com

scals.co.jp

sacsl.es

ascsl.com

acssl.campaign.gov.uk

aslcs.com

scals.com

lscsa.com

lcsas.us

lcssa.com

lssac.com

slacs.ca

lsasc.com

cssla.com

slsca.com

sslca.com

ascsl.net

sscal.com

aclss.com

ssalc.org

saslc.com

casls.com

acssl.com

salsc.com

alscs.com

calss.net.cn

lscsa.de

DNS History

29 records (9 active, 20 former)

●NSdakota.ns.cloudflare.com2021-10-10 → 2026-07-30 · 3 obs

○ 2020-04-13 01:35:20
● 2021-10-10 11:31:12
● 2026-07-30 17:56:44

●NSemerie.ns.cloudflare.com2021-10-10 → 2026-07-30 · 3 obs

○ 2020-04-13 01:35:20
● 2021-10-10 11:31:12
● 2026-07-30 17:56:44

○NSns1.class.id2019-01-23 → 2020-04-13 · 4 obs

● 2019-01-23 19:38:58
● 2020-04-13 01:35:20
○ 2021-10-10 11:31:12
○ 2026-07-30 17:56:44

○NSns2.class.id2019-01-23 → 2020-04-13 · 4 obs

● 2019-01-23 19:38:58
● 2020-04-13 01:35:20
○ 2021-10-10 11:31:12
○ 2026-07-30 17:56:44

○MXinbound-smtp.us-east-1.amazonaws.com2021-10-10 → 2021-10-10 · 4 obs

○ 2020-04-13 01:35:20
● 2021-10-10 11:31:12
○ 2026-02-15 12:15:10
○ 2026-07-30 17:56:44

●MXmx.yandex.net2026-02-15 → 2026-07-30 · 3 obs

○ 2021-10-10 11:31:12
● 2026-02-15 12:15:10
● 2026-07-30 17:56:44

●MXmx1.hostinger.com2026-05-15 → 2026-07-30 · 3 obs

○ 2026-02-15 12:15:10
● 2026-05-15 16:51:36
● 2026-07-30 17:56:44

●MXmx2.hostinger.com2026-05-15 → 2026-07-30 · 3 obs

○ 2026-02-15 12:15:10
● 2026-05-15 16:51:36
● 2026-07-30 17:56:44

○MXmxa.mailgun.org.class.id2019-01-23 → 2020-04-13 · 4 obs

● 2019-01-23 19:38:58
● 2020-04-13 01:35:20
○ 2021-10-10 11:31:12
○ 2026-07-30 17:56:44

○MXmxb.mailgun.org.class.id2019-01-23 → 2020-04-13 · 4 obs

● 2019-01-23 19:38:58
● 2020-04-13 01:35:20
○ 2021-10-10 11:31:12
○ 2026-07-30 17:56:44

○A103.214.113.1482021-10-10 → 2021-10-10 · 4 obs

○ 2020-04-13 01:35:20
● 2021-10-10 11:31:12
○ 2026-02-15 12:15:10
○ 2026-07-30 17:56:44

●A104.21.4.1502026-02-15 → 2026-07-30 · 18 obs

○ 2021-10-10 11:31:12
● 2026-02-15 12:15:10
○ 2026-02-15 18:12:48
● 2026-02-17 17:07:10
● 2026-02-18 01:47:34
○ 2026-02-19 05:57:08
● 2026-03-07 05:46:16
● 2026-03-22 06:14:14
○ 2026-03-23 03:28:42
○ 2026-03-23 06:15:04
● 2026-03-23 22:18:18
● 2026-04-05 14:00:56
○ 2026-04-07 13:12:42
● 2026-04-10 12:39:04
● 2026-06-14 13:46:10
○ 2026-06-19 02:30:20
● 2026-07-07 20:37:46
● 2026-07-30 17:56:44

○A172.64.80.12026-02-19 → 2026-03-23 · 7 obs

○ 2026-02-18 01:47:34
● 2026-02-19 05:57:08
○ 2026-03-07 05:46:16
○ 2026-03-22 06:14:14
● 2026-03-23 03:28:42
○ 2026-03-23 06:15:04
○ 2026-07-30 17:56:44

●A172.67.154.502026-02-15 → 2026-07-30 · 18 obs

○A188.114.96.02026-03-23 → 2026-06-19 · 10 obs

○ 2026-03-23 03:28:42
● 2026-03-23 06:15:04
○ 2026-03-23 22:18:18
○ 2026-04-05 14:00:56
● 2026-04-07 13:12:42
○ 2026-04-10 12:39:04
○ 2026-06-14 13:46:10
● 2026-06-19 02:30:20
○ 2026-07-07 20:37:46
○ 2026-07-30 17:56:44

○A188.114.96.42026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 12:15:10
● 2026-02-15 18:12:48
○ 2026-02-17 17:07:10
○ 2026-07-30 17:56:44

○A188.114.97.02026-03-23 → 2026-06-19 · 10 obs

○A188.114.97.42026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 12:15:10
● 2026-02-15 18:12:48
○ 2026-02-17 17:07:10
○ 2026-07-30 17:56:44

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 06:14:14
● 2026-03-23 03:28:42
○ 2026-03-23 06:15:04
○ 2026-07-30 17:56:44

●A2606:4700:3031::6815:4962026-07-11 → 2026-07-30 · 3 obs

○ 2026-07-07 20:37:46
● 2026-07-11 12:00:44
● 2026-07-30 17:56:44

●A2606:4700:3033::ac43:9a322026-07-11 → 2026-07-30 · 3 obs

○ 2026-07-07 20:37:46
● 2026-07-11 12:00:44
● 2026-07-30 17:56:44

○A2606:4700:3034::6815:4962026-02-15 → 2026-07-07 · 16 obs

○ 2021-10-10 11:31:12
● 2026-02-15 12:15:10
○ 2026-02-15 18:12:48
● 2026-02-17 17:07:10
● 2026-03-22 06:14:14
○ 2026-03-23 03:28:42
○ 2026-03-23 06:15:04
● 2026-03-23 22:18:18
● 2026-04-05 14:00:56
○ 2026-04-07 13:12:42
● 2026-04-10 12:39:04
● 2026-06-14 13:46:10
○ 2026-06-19 02:30:20
● 2026-07-07 20:37:46
○ 2026-07-11 12:00:44
○ 2026-07-30 17:56:44

○A2606:4700:3037::ac43:9a322026-02-15 → 2026-07-07 · 16 obs

○A2a06:98c1:3120::2026-03-23 → 2026-06-19 · 10 obs

○A2a06:98c1:3120::42026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 12:15:10
● 2026-02-15 18:12:48
○ 2026-02-17 17:07:10
○ 2026-07-30 17:56:44

○A2a06:98c1:3121::2026-03-23 → 2026-06-19 · 10 obs

○A2a06:98c1:3121::42026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 12:15:10
● 2026-02-15 18:12:48
○ 2026-02-17 17:07:10
○ 2026-07-30 17:56:44

○A45.77.43.2522019-01-23 → 2020-04-13 · 4 obs

● 2019-01-23 19:38:58
● 2020-04-13 01:35:20
○ 2021-10-10 11:31:12
○ 2026-07-30 17:56:44

○A54.254.27.2472021-10-10 → 2021-10-10 · 4 obs

○ 2020-04-13 01:35:20
● 2021-10-10 11:31:12
○ 2026-02-15 12:15:10
○ 2026-07-30 17:56:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
id	b.dns.id, c.dns.id, d.dns.id, e.dns.id	-
class.id	dakota.ns.cloudflare.com, emerie.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.79

NS records: dakota.ns.cloudflare.com, emerie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class.id (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.154.50, 104.21.4.150`
AAAA	2	`2606:4700:3033::ac43:9a32, 2606:4700:3031::6815:496`
NS	2	`dakota.ns.cloudflare.com, emerie.ns.cloudflare.com`
MX	3	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)...`
TXT	5	`88a04daa5b4567870ea70faa8d7c869d, afd4b441a5f899bfecc5d137e6701404...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dakota.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

class.id has five child domains: ns1.class.id, cbt.class.id, test.class.id, ns2.class.id and www.class.id.

IP Addresses

class.id points to the four IP addresses 104.21.4.150, 172.67.154.50, 2606:4700:3031::6815:496 and 2606:4700:3033::ac43:9a32.

Additional host names — creativa.center, greiner-gti.com, www.lyz649.com and two others — share IP numbers with class.id.

Name Servers

Two name servers handle the delegation for class.id: dakota.ns.cloudflare.com and emerie.ns.cloudflare.com.

class.id shares its name server setup with other domains, including ergometer-tests.de, palemieux.com, fontchase.com and two others.

There is at least partial name server overlap between class.id and other domains — cb88fulljpterus02.com, coimbra-genomics.com, openaileadsaccelerateleads.com and two more among them.

The name servers nadia.ns.cloudflare.com, guss.ns.cloudflare.com and lucy.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

dakota.ns.cloudflare.com resolves to 108.162.195.79, 162.159.44.79 and 172.64.35.79 among others, with 3 other IP addresses in total.

emerie.ns.cloudflare.com resolves to 108.162.194.115, 162.159.38.115 and 172.64.34.115 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for class.id is delivered via three mail servers: mx1.hostinger.com, mx2.hostinger.com and mx.yandex.net.

class.id shares mail servers — at least in part — with other domains, including gastroincubator.ru, sihirliayakkabi.com, gibiteca.org.br and two others.

The hostnames mx1.hostinger.com, mx2.hostinger.com and mx.yandex.net each point to a pair of IP addresses. mx1.hostinger.com has 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f; mx2.hostinger.com has 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f; mx.yandex.net has 77.88.21.249 and 2a02:6b8::311.

mx1.hostinger.com along with mx2.hostinger.com each resolve to 2606:4700:90:0:c1f8:f874:2386:b61f IP addresses.

mx1.hostinger.com along with mx2.hostinger.com each resolve to 172.65.182.103 IP addresses.